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ECAT Pre General Science Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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A prime number
An integer
A whole number
An irrational number
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Question # 4
If S = {3,6,9,12.......}, then
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S = Four multiples of 3
S = Set of even numbers
S = Set of prime numbers
S = All multiples of 3
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Question # 5
An infinite sequence has no
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nth term
Last term
Sum
None of these
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Question # 6
The period of|sin2x| is
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π/2
-π/2
π
π/3
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Question # 7
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f(x) = x
2
f(x
2
) = x
f(x) = x
none of these
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Question # 8
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Question # 9
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0
1
2
3
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Question # 10
The radius of the circle x
2
+ y
2
- 6 x + 4 y +13 = 0 , is
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1
2
0
None of these
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Question # 11
Ifπ≤x≤2π, then cos-1 (cos x)=
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cos x
-x
1/x
-x
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Question # 12
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Question # 13
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 14
The equation of the sphere passing thro' (0, 0, 0), (a, 0, 0), (0, b, 0), (9, 0, c) is
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x
2
+ y
2
+ z
2
+ 2 ax +2 by + 2cz = 0
x
2
+ y
2
+ z
2
- 2ax - 2 by - 2cz = 0
x
2
+ y
2
+ z
2
- ax - by - cz = 0
x
2
+ y
2
+ z
2
+ ax + by + cz = 0
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Question # 15
The graph of a quadratic function is
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Circle
Ellipse
Parabola
Hexagon
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Question # 16
The greatest term in the expansion of (3+2x)
9
, when x=1 is
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4th
4th and 5th
5th
6th
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Question # 17
Two cards are drawn at random from a well shuffled pack of cards. The probability that at least one of them is a face card is
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3 / 17
5 / 17
7 / 17
9 / 17
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Question # 18
The lines that form the cone are called its:
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Generation
Circular cone
nappes
conics
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Question # 19
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Question # 20
The range of the principle cos function is
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Question # 21
I f the focus is F ( 0,-a) and directrix is the line v=a, then equation of the parabola is:
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x
2
= 4ay
y
2
= 4ax
y
2
= -4ax
x
2
= 4ax
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Question # 22
sin(π/2+θ) = _______;
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sinθ
cosθ
-sinθ
-cosθ
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Question # 23
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Question # 24
The nth term of a G.P. is
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a
1
r
n
a
1
r
n+1
a
1
r
n-1
a
1
r
-n
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Question # 25
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none of these
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Question # 26
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-1
0
1
undefined
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Question # 27
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Question # 28
Both the roots of the equation (x -b) (x - c ) + (x -c) (x-a) +(x-a) (x-b) = 0 are always
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Positive
Negative
Real
None of these
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Question # 29
Which of the following integrals can be evaluated
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Question # 30
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Question # 31
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